<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
</head>
<body>
<div id="app">
<h1>下拉菜单</h1>
  <el-dropdown @command="handleCommand">
  <span class="el-dropdown-link">
    下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
  </span>
    <el-dropdown-menu slot="dropdown">
        <el-dropdown-item v-for="i in arr" :command="i.price">{{i.title}}</el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
  <h1>选择器</h1>
  <template>
    <el-select v-model="value" placeholder="请选择">
      <el-option
              v-for="item in arr"
              :label="item.title"
              :value="item.price">
      </el-option>
    </el-select>
  </template>
  <h2>{{value}}</h2>

</div>
</body>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
  let v = new Vue({
    el: '#app',
    data: function() {
      return {
        arr:[{title:"小米手机",price:3000},
          {title:"华为电视",price:4000},
          {title:"李宁篮球鞋",price:500},
          {title:"匹克跑步鞋",price:200}],
        value:""

      }
    },
    methods:{
      handleCommand(command) {
        v.$message("您选择的商品是"+command+"元");
      }
    }
  })
</script>
</html>